<?php 
   $app_id = '499825790074802';
   $app_secret =  '231aa1e568f6c45738722b7fc601cb76';
   $my_url = "http://localhost/bases--grupo10/main.php?";

   session_start();
   session_destroy();
   header('Location: http://localhost/bases--grupo10/main.php?');

?>